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Finding the Third Proportional to 73,945,386 and 159,582,312

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Solution

The third proportional to 73,945,386 and 159,582,312 is: 344,396,258.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,945,386 : 159,582,312 = 159,582,312 : x
  2. Step 2: Convert to fraction form
    73,945,386/159,582,312 = 159,582,312/x
  3. Step 3: Cross multiply
    73,945,386x = 159,582,312 × 159,582,312
  4. Step 4: Simplify right side
    73,945,386x = 25,466,514,303,265,344
  5. Step 5: Solve for x
    x = 25,466,514,303,265,344/73,945,386
  6. Step 6: Final answer
    x = 344,396,258.93

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.