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Finding the Third Proportional to 72,556,000 and 157,866,354

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Solution

The third proportional to 72,556,000 and 157,866,354 is: 343,483,457.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,556,000 : 157,866,354 = 157,866,354 : x
  2. Step 2: Convert to fraction form
    72,556,000/157,866,354 = 157,866,354/x
  3. Step 3: Cross multiply
    72,556,000x = 157,866,354 × 157,866,354
  4. Step 4: Simplify right side
    72,556,000x = 24,921,785,725,253,316
  5. Step 5: Solve for x
    x = 24,921,785,725,253,316/72,556,000
  6. Step 6: Final answer
    x = 343,483,457.26

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.