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Finding the Third Proportional to 98,998,392 and 213,162,528

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Solution

The third proportional to 98,998,392 and 213,162,528 is: 458,979,811.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,998,392 : 213,162,528 = 213,162,528 : x
  2. Step 2: Convert to fraction form
    98,998,392/213,162,528 = 213,162,528/x
  3. Step 3: Cross multiply
    98,998,392x = 213,162,528 × 213,162,528
  4. Step 4: Simplify right side
    98,998,392x = 45,438,263,343,350,784
  5. Step 5: Solve for x
    x = 45,438,263,343,350,784/98,998,392
  6. Step 6: Final answer
    x = 458,979,811.95

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.