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Finding the Third Proportional to 344,372 and 730,428

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Solution

The third proportional to 344,372 and 730,428 is: 1,549,269.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,372 : 730,428 = 730,428 : x
  2. Step 2: Convert to fraction form
    344,372/730,428 = 730,428/x
  3. Step 3: Cross multiply
    344,372x = 730,428 × 730,428
  4. Step 4: Simplify right side
    344,372x = 533,525,063,184
  5. Step 5: Solve for x
    x = 533,525,063,184/344,372
  6. Step 6: Final answer
    x = 1,549,269.58

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.