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Finding the Third Proportional to 74,112,428 and 160,982,972

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Solution

The third proportional to 74,112,428 and 160,982,972 is: 349,678,427.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,112,428 : 160,982,972 = 160,982,972 : x
  2. Step 2: Convert to fraction form
    74,112,428/160,982,972 = 160,982,972/x
  3. Step 3: Cross multiply
    74,112,428x = 160,982,972 × 160,982,972
  4. Step 4: Simplify right side
    74,112,428x = 25,915,517,273,952,784
  5. Step 5: Solve for x
    x = 25,915,517,273,952,784/74,112,428
  6. Step 6: Final answer
    x = 349,678,427.40

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.