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Finding the Third Proportional to 115,388 and 249,229

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Solution

The third proportional to 115,388 and 249,229 is: 538,315.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,388 : 249,229 = 249,229 : x
  2. Step 2: Convert to fraction form
    115,388/249,229 = 249,229/x
  3. Step 3: Cross multiply
    115,388x = 249,229 × 249,229
  4. Step 4: Simplify right side
    115,388x = 62,115,094,441
  5. Step 5: Solve for x
    x = 62,115,094,441/115,388
  6. Step 6: Final answer
    x = 538,315.03

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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.