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Finding the Third Proportional to 38,875,390 and 83,985,348

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Solution

The third proportional to 38,875,390 and 83,985,348 is: 181,439,689.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,875,390 : 83,985,348 = 83,985,348 : x
  2. Step 2: Convert to fraction form
    38,875,390/83,985,348 = 83,985,348/x
  3. Step 3: Cross multiply
    38,875,390x = 83,985,348 × 83,985,348
  4. Step 4: Simplify right side
    38,875,390x = 7,053,538,678,681,104
  5. Step 5: Solve for x
    x = 7,053,538,678,681,104/38,875,390
  6. Step 6: Final answer
    x = 181,439,689.19

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.