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Finding the Third Proportional to 70,198,480 and 156,528,388

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Solution

The third proportional to 70,198,480 and 156,528,388 is: 349,026,592.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,198,480 : 156,528,388 = 156,528,388 : x
  2. Step 2: Convert to fraction form
    70,198,480/156,528,388 = 156,528,388/x
  3. Step 3: Cross multiply
    70,198,480x = 156,528,388 × 156,528,388
  4. Step 4: Simplify right side
    70,198,480x = 24,501,136,249,878,544
  5. Step 5: Solve for x
    x = 24,501,136,249,878,544/70,198,480
  6. Step 6: Final answer
    x = 349,026,592.17

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.