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Finding the Third Proportional to 74,203,400 and 97,577,139

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Solution

The third proportional to 74,203,400 and 97,577,139 is: 128,313,501.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,203,400 : 97,577,139 = 97,577,139 : x
  2. Step 2: Convert to fraction form
    74,203,400/97,577,139 = 97,577,139/x
  3. Step 3: Cross multiply
    74,203,400x = 97,577,139 × 97,577,139
  4. Step 4: Simplify right side
    74,203,400x = 9,521,298,055,425,320
  5. Step 5: Solve for x
    x = 9,521,298,055,425,320/74,203,400
  6. Step 6: Final answer
    x = 128,313,501.21

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.