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Finding the Third Proportional to 218,669.63 and 357,068.25

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Solution

The third proportional to 218,669.63 and 357,068.25 is: 583,061.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,669.63 : 357,068.25 = 357,068.25 : x
  2. Step 2: Convert to fraction form
    218,669.63/357,068.25 = 357,068.25/x
  3. Step 3: Cross multiply
    218,669.63x = 357,068.25 × 357,068.25
  4. Step 4: Simplify right side
    218,669.63x = 127,497,735,158.06
  5. Step 5: Solve for x
    x = 127,497,735,158.06/218,669.63
  6. Step 6: Final answer
    x = 583,061.02

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.