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Finding the Third Proportional to 518,560 and 1,125,640

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Solution

The third proportional to 518,560 and 1,125,640 is: 2,443,430.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,560 : 1,125,640 = 1,125,640 : x
  2. Step 2: Convert to fraction form
    518,560/1,125,640 = 1,125,640/x
  3. Step 3: Cross multiply
    518,560x = 1,125,640 × 1,125,640
  4. Step 4: Simplify right side
    518,560x = 1,267,065,409,600
  5. Step 5: Solve for x
    x = 1,267,065,409,600/518,560
  6. Step 6: Final answer
    x = 2,443,430.67

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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.