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Finding the Third Proportional to 187,908,552 and 287,479,038

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Solution

The third proportional to 187,908,552 and 287,479,038 is: 439,810,729.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,908,552 : 287,479,038 = 287,479,038 : x
  2. Step 2: Convert to fraction form
    187,908,552/287,479,038 = 287,479,038/x
  3. Step 3: Cross multiply
    187,908,552x = 287,479,038 × 287,479,038
  4. Step 4: Simplify right side
    187,908,552x = 82,644,197,289,405,440
  5. Step 5: Solve for x
    x = 82,644,197,289,405,440/187,908,552
  6. Step 6: Final answer
    x = 439,810,729.26

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.