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Finding the Third Proportional to 720,240 and 1,547,232

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Solution

The third proportional to 720,240 and 1,547,232 is: 3,323,790.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,240 : 1,547,232 = 1,547,232 : x
  2. Step 2: Convert to fraction form
    720,240/1,547,232 = 1,547,232/x
  3. Step 3: Cross multiply
    720,240x = 1,547,232 × 1,547,232
  4. Step 4: Simplify right side
    720,240x = 2,393,926,861,824
  5. Step 5: Solve for x
    x = 2,393,926,861,824/720,240
  6. Step 6: Final answer
    x = 3,323,790.49

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.