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Finding the Third Proportional to 191,455.50 and 317,983.50

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Solution

The third proportional to 191,455.50 and 317,983.50 is: 528,130.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,455.50 : 317,983.50 = 317,983.50 : x
  2. Step 2: Convert to fraction form
    191,455.50/317,983.50 = 317,983.50/x
  3. Step 3: Cross multiply
    191,455.50x = 317,983.50 × 317,983.50
  4. Step 4: Simplify right side
    191,455.50x = 101,113,506,272.25
  5. Step 5: Solve for x
    x = 101,113,506,272.25/191,455.50
  6. Step 6: Final answer
    x = 528,130.59

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Why These Related Problems?

These problems maintain the same ratio (1.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.