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Finding the Third Proportional to 915,948 and 1,984,365

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Solution

The third proportional to 915,948 and 1,984,365 is: 4,299,048.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,948 : 1,984,365 = 1,984,365 : x
  2. Step 2: Convert to fraction form
    915,948/1,984,365 = 1,984,365/x
  3. Step 3: Cross multiply
    915,948x = 1,984,365 × 1,984,365
  4. Step 4: Simplify right side
    915,948x = 3,937,704,453,225
  5. Step 5: Solve for x
    x = 3,937,704,453,225/915,948
  6. Step 6: Final answer
    x = 4,299,048.04

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.