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Finding the Third Proportional to 631,430 and 1,352,716

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Solution

The third proportional to 631,430 and 1,352,716 is: 2,897,931.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,430 : 1,352,716 = 1,352,716 : x
  2. Step 2: Convert to fraction form
    631,430/1,352,716 = 1,352,716/x
  3. Step 3: Cross multiply
    631,430x = 1,352,716 × 1,352,716
  4. Step 4: Simplify right side
    631,430x = 1,829,840,576,656
  5. Step 5: Solve for x
    x = 1,829,840,576,656/631,430
  6. Step 6: Final answer
    x = 2,897,931.01

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.