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Finding the Third Proportional to 607,069.13 and 890,920.69

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Solution

The third proportional to 607,069.13 and 890,920.69 is: 1,307,494.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,069.13 : 890,920.69 = 890,920.69 : x
  2. Step 2: Convert to fraction form
    607,069.13/890,920.69 = 890,920.69/x
  3. Step 3: Cross multiply
    607,069.13x = 890,920.69 × 890,920.69
  4. Step 4: Simplify right side
    607,069.13x = 793,739,671,415.47
  5. Step 5: Solve for x
    x = 793,739,671,415.47/607,069.13
  6. Step 6: Final answer
    x = 1,307,494.71

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.