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Finding the Third Proportional to 90,959,070 and 139,951,773

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Solution

The third proportional to 90,959,070 and 139,951,773 is: 215,333,102.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,959,070 : 139,951,773 = 139,951,773 : x
  2. Step 2: Convert to fraction form
    90,959,070/139,951,773 = 139,951,773/x
  3. Step 3: Cross multiply
    90,959,070x = 139,951,773 × 139,951,773
  4. Step 4: Simplify right side
    90,959,070x = 19,586,498,765,843,528
  5. Step 5: Solve for x
    x = 19,586,498,765,843,528/90,959,070
  6. Step 6: Final answer
    x = 215,333,102.74

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.