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Finding the Third Proportional to 99,716,516 and 153,176,769

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Solution

The third proportional to 99,716,516 and 153,176,769 is: 235,298,258.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,716,516 : 153,176,769 = 153,176,769 : x
  2. Step 2: Convert to fraction form
    99,716,516/153,176,769 = 153,176,769/x
  3. Step 3: Cross multiply
    99,716,516x = 153,176,769 × 153,176,769
  4. Step 4: Simplify right side
    99,716,516x = 23,463,122,561,279,360
  5. Step 5: Solve for x
    x = 23,463,122,561,279,360/99,716,516
  6. Step 6: Final answer
    x = 235,298,258.53

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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.