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Finding the Third Proportional to 115,386 and 249,225

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Solution

The third proportional to 115,386 and 249,225 is: 538,307.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,386 : 249,225 = 249,225 : x
  2. Step 2: Convert to fraction form
    115,386/249,225 = 249,225/x
  3. Step 3: Cross multiply
    115,386x = 249,225 × 249,225
  4. Step 4: Simplify right side
    115,386x = 62,113,100,625
  5. Step 5: Solve for x
    x = 62,113,100,625/115,386
  6. Step 6: Final answer
    x = 538,307.08

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.