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Finding the Third Proportional to 424,139 and 924,486

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Solution

The third proportional to 424,139 and 924,486 is: 2,015,080.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,139 : 924,486 = 924,486 : x
  2. Step 2: Convert to fraction form
    424,139/924,486 = 924,486/x
  3. Step 3: Cross multiply
    424,139x = 924,486 × 924,486
  4. Step 4: Simplify right side
    424,139x = 854,674,364,196
  5. Step 5: Solve for x
    x = 854,674,364,196/424,139
  6. Step 6: Final answer
    x = 2,015,080.82

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.