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Finding the Third Proportional to 388,768.88 and 608,547.75

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Solution

The third proportional to 388,768.88 and 608,547.75 is: 952,572.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,768.88 : 608,547.75 = 608,547.75 : x
  2. Step 2: Convert to fraction form
    388,768.88/608,547.75 = 608,547.75/x
  3. Step 3: Cross multiply
    388,768.88x = 608,547.75 × 608,547.75
  4. Step 4: Simplify right side
    388,768.88x = 370,330,364,030.06
  5. Step 5: Solve for x
    x = 370,330,364,030.06/388,768.88
  6. Step 6: Final answer
    x = 952,572.05

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.