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Finding the Third Proportional to 977,128 and 2,153,032

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Solution

The third proportional to 977,128 and 2,153,032 is: 4,744,052.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,128 : 2,153,032 = 2,153,032 : x
  2. Step 2: Convert to fraction form
    977,128/2,153,032 = 2,153,032/x
  3. Step 3: Cross multiply
    977,128x = 2,153,032 × 2,153,032
  4. Step 4: Simplify right side
    977,128x = 4,635,546,793,024
  5. Step 5: Solve for x
    x = 4,635,546,793,024/977,128
  6. Step 6: Final answer
    x = 4,744,052.77

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.