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Finding the Third Proportional to 340,981.50 and 717,319.50

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Solution

The third proportional to 340,981.50 and 717,319.50 is: 1,509,018.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,981.50 : 717,319.50 = 717,319.50 : x
  2. Step 2: Convert to fraction form
    340,981.50/717,319.50 = 717,319.50/x
  3. Step 3: Cross multiply
    340,981.50x = 717,319.50 × 717,319.50
  4. Step 4: Simplify right side
    340,981.50x = 514,547,265,080.25
  5. Step 5: Solve for x
    x = 514,547,265,080.25/340,981.50
  6. Step 6: Final answer
    x = 1,509,018.13

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.