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Finding the Third Proportional to 985,294 and 2,132,515

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Solution

The third proportional to 985,294 and 2,132,515 is: 4,615,495.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,294 : 2,132,515 = 2,132,515 : x
  2. Step 2: Convert to fraction form
    985,294/2,132,515 = 2,132,515/x
  3. Step 3: Cross multiply
    985,294x = 2,132,515 × 2,132,515
  4. Step 4: Simplify right side
    985,294x = 4,547,620,225,225
  5. Step 5: Solve for x
    x = 4,547,620,225,225/985,294
  6. Step 6: Final answer
    x = 4,615,495.71

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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.