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Finding the Third Proportional to 340,799 and 716,854

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Solution

The third proportional to 340,799 and 716,854 is: 1,507,867.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,799 : 716,854 = 716,854 : x
  2. Step 2: Convert to fraction form
    340,799/716,854 = 716,854/x
  3. Step 3: Cross multiply
    340,799x = 716,854 × 716,854
  4. Step 4: Simplify right side
    340,799x = 513,879,657,316
  5. Step 5: Solve for x
    x = 513,879,657,316/340,799
  6. Step 6: Final answer
    x = 1,507,867.27

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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.