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Finding the Third Proportional to 140,986,458 and 215,532,882

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Solution

The third proportional to 140,986,458 and 215,532,882 is: 329,495,640.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,986,458 : 215,532,882 = 215,532,882 : x
  2. Step 2: Convert to fraction form
    140,986,458/215,532,882 = 215,532,882/x
  3. Step 3: Cross multiply
    140,986,458x = 215,532,882 × 215,532,882
  4. Step 4: Simplify right side
    140,986,458x = 46,454,423,223,225,920
  5. Step 5: Solve for x
    x = 46,454,423,223,225,920/140,986,458
  6. Step 6: Final answer
    x = 329,495,640.09

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.