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Finding the Third Proportional to 528,087 and 1,245,397

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Solution

The third proportional to 528,087 and 1,245,397 is: 2,937,041.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,087 : 1,245,397 = 1,245,397 : x
  2. Step 2: Convert to fraction form
    528,087/1,245,397 = 1,245,397/x
  3. Step 3: Cross multiply
    528,087x = 1,245,397 × 1,245,397
  4. Step 4: Simplify right side
    528,087x = 1,551,013,687,609
  5. Step 5: Solve for x
    x = 1,551,013,687,609/528,087
  6. Step 6: Final answer
    x = 2,937,041.98

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.