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Finding the Third Proportional to 99,716,439 and 153,176,649

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Solution

The third proportional to 99,716,439 and 153,176,649 is: 235,298,071.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,716,439 : 153,176,649 = 153,176,649 : x
  2. Step 2: Convert to fraction form
    99,716,439/153,176,649 = 153,176,649/x
  3. Step 3: Cross multiply
    99,716,439x = 153,176,649 × 153,176,649
  4. Step 4: Simplify right side
    99,716,439x = 23,463,085,798,869,200
  5. Step 5: Solve for x
    x = 23,463,085,798,869,200/99,716,439
  6. Step 6: Final answer
    x = 235,298,071.55

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.