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Finding the Third Proportional to 570,889 and 1,243,487

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Solution

The third proportional to 570,889 and 1,243,487 is: 2,708,512.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,889 : 1,243,487 = 1,243,487 : x
  2. Step 2: Convert to fraction form
    570,889/1,243,487 = 1,243,487/x
  3. Step 3: Cross multiply
    570,889x = 1,243,487 × 1,243,487
  4. Step 4: Simplify right side
    570,889x = 1,546,259,919,169
  5. Step 5: Solve for x
    x = 1,546,259,919,169/570,889
  6. Step 6: Final answer
    x = 2,708,512.37

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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.