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Finding the Third Proportional to 1,140,239 and 2,478,943

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Solution

The third proportional to 1,140,239 and 2,478,943 is: 5,389,359.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,239 : 2,478,943 = 2,478,943 : x
  2. Step 2: Convert to fraction form
    1,140,239/2,478,943 = 2,478,943/x
  3. Step 3: Cross multiply
    1,140,239x = 2,478,943 × 2,478,943
  4. Step 4: Simplify right side
    1,140,239x = 6,145,158,397,249
  5. Step 5: Solve for x
    x = 6,145,158,397,249/1,140,239
  6. Step 6: Final answer
    x = 5,389,359.95

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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.