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Finding the Third Proportional to 233,258 and 508,720

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Solution

The third proportional to 233,258 and 508,720 is: 1,109,484.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,258 : 508,720 = 508,720 : x
  2. Step 2: Convert to fraction form
    233,258/508,720 = 508,720/x
  3. Step 3: Cross multiply
    233,258x = 508,720 × 508,720
  4. Step 4: Simplify right side
    233,258x = 258,796,038,400
  5. Step 5: Solve for x
    x = 258,796,038,400/233,258
  6. Step 6: Final answer
    x = 1,109,484.08

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.