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Finding the Third Proportional to 115,046,437 and 155,485,781.50

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Solution

The third proportional to 115,046,437 and 155,485,781.50 is: 210,139,739.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,046,437 : 155,485,781.50 = 155,485,781.50 : x
  2. Step 2: Convert to fraction form
    115,046,437/155,485,781.50 = 155,485,781.50/x
  3. Step 3: Cross multiply
    115,046,437x = 155,485,781.50 × 155,485,781.50
  4. Step 4: Simplify right side
    115,046,437x = 24,175,828,248,665,744
  5. Step 5: Solve for x
    x = 24,175,828,248,665,744/115,046,437
  6. Step 6: Final answer
    x = 210,139,739.04

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.