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Finding the Third Proportional to 15,974,521 and 34,989,833

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Solution

The third proportional to 15,974,521 and 34,989,833 is: 76,640,070.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,974,521 : 34,989,833 = 34,989,833 : x
  2. Step 2: Convert to fraction form
    15,974,521/34,989,833 = 34,989,833/x
  3. Step 3: Cross multiply
    15,974,521x = 34,989,833 × 34,989,833
  4. Step 4: Simplify right side
    15,974,521x = 1,224,288,413,367,889
  5. Step 5: Solve for x
    x = 1,224,288,413,367,889/15,974,521
  6. Step 6: Final answer
    x = 76,640,070.36

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.