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Finding the Third Proportional to 79,154,952 and 121,086,448

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Solution

The third proportional to 79,154,952 and 121,086,448 is: 185,230,709.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,154,952 : 121,086,448 = 121,086,448 : x
  2. Step 2: Convert to fraction form
    79,154,952/121,086,448 = 121,086,448/x
  3. Step 3: Cross multiply
    79,154,952x = 121,086,448 × 121,086,448
  4. Step 4: Simplify right side
    79,154,952x = 14,661,927,889,256,704
  5. Step 5: Solve for x
    x = 14,661,927,889,256,704/79,154,952
  6. Step 6: Final answer
    x = 185,230,709.12

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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.