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Finding the Third Proportional to 718,160 and 1,556,000

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Solution

The third proportional to 718,160 and 1,556,000 is: 3,371,304.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,160 : 1,556,000 = 1,556,000 : x
  2. Step 2: Convert to fraction form
    718,160/1,556,000 = 1,556,000/x
  3. Step 3: Cross multiply
    718,160x = 1,556,000 × 1,556,000
  4. Step 4: Simplify right side
    718,160x = 2,421,136,000,000
  5. Step 5: Solve for x
    x = 2,421,136,000,000/718,160
  6. Step 6: Final answer
    x = 3,371,304.44

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.