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Finding the Third Proportional to 87,309,360 and 145,506,888

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Solution

The third proportional to 87,309,360 and 145,506,888 is: 242,496,960.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,309,360 : 145,506,888 = 145,506,888 : x
  2. Step 2: Convert to fraction form
    87,309,360/145,506,888 = 145,506,888/x
  3. Step 3: Cross multiply
    87,309,360x = 145,506,888 × 145,506,888
  4. Step 4: Simplify right side
    87,309,360x = 21,172,254,455,444,544
  5. Step 5: Solve for x
    x = 21,172,254,455,444,544/87,309,360
  6. Step 6: Final answer
    x = 242,496,960.87

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.