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Finding the Third Proportional to 172,716,694 and 265,341,615

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Solution

The third proportional to 172,716,694 and 265,341,615 is: 407,639,649.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,716,694 : 265,341,615 = 265,341,615 : x
  2. Step 2: Convert to fraction form
    172,716,694/265,341,615 = 265,341,615/x
  3. Step 3: Cross multiply
    172,716,694x = 265,341,615 × 265,341,615
  4. Step 4: Simplify right side
    172,716,694x = 70,406,172,650,808,224
  5. Step 5: Solve for x
    x = 70,406,172,650,808,224/172,716,694
  6. Step 6: Final answer
    x = 407,639,649.77

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.