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Finding the Third Proportional to 245,205 and 525,402

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Solution

The third proportional to 245,205 and 525,402 is: 1,125,781.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,205 : 525,402 = 525,402 : x
  2. Step 2: Convert to fraction form
    245,205/525,402 = 525,402/x
  3. Step 3: Cross multiply
    245,205x = 525,402 × 525,402
  4. Step 4: Simplify right side
    245,205x = 276,047,261,604
  5. Step 5: Solve for x
    x = 276,047,261,604/245,205
  6. Step 6: Final answer
    x = 1,125,781.54

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.