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Finding the Third Proportional to 987,217,241,946 and 1,390,219,419,535

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Solution

The third proportional to 987,217,241,946 and 1,390,219,419,535 is: 1,957,735,291,011.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,217,241,946 : 1,390,219,419,535 = 1,390,219,419,535 : x
  2. Step 2: Convert to fraction form
    987,217,241,946/1,390,219,419,535 = 1,390,219,419,535/x
  3. Step 3: Cross multiply
    987,217,241,946x = 1,390,219,419,535 × 1,390,219,419,535
  4. Step 4: Simplify right side
    987,217,241,946x = 1,932,710,034,452,232,387,166,208
  5. Step 5: Solve for x
    x = 1,932,710,034,452,232,387,166,208/987,217,241,946
  6. Step 6: Final answer
    x = 1,957,735,291,011.00

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.