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Finding the Third Proportional to 42,781,045 and 63,228,079

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Solution

The third proportional to 42,781,045 and 63,228,079 is: 93,447,693.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,781,045 : 63,228,079 = 63,228,079 : x
  2. Step 2: Convert to fraction form
    42,781,045/63,228,079 = 63,228,079/x
  3. Step 3: Cross multiply
    42,781,045x = 63,228,079 × 63,228,079
  4. Step 4: Simplify right side
    42,781,045x = 3,997,789,974,030,241
  5. Step 5: Solve for x
    x = 3,997,789,974,030,241/42,781,045
  6. Step 6: Final answer
    x = 93,447,693.34

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.