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Finding the Third Proportional to 607,387 and 1,329,171

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Solution

The third proportional to 607,387 and 1,329,171 is: 2,908,681.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,387 : 1,329,171 = 1,329,171 : x
  2. Step 2: Convert to fraction form
    607,387/1,329,171 = 1,329,171/x
  3. Step 3: Cross multiply
    607,387x = 1,329,171 × 1,329,171
  4. Step 4: Simplify right side
    607,387x = 1,766,695,547,241
  5. Step 5: Solve for x
    x = 1,766,695,547,241/607,387
  6. Step 6: Final answer
    x = 2,908,681.86

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.