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Finding the Third Proportional to 72,000,446 and 158,356,358

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Solution

The third proportional to 72,000,446 and 158,356,358 is: 348,285,844.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,000,446 : 158,356,358 = 158,356,358 : x
  2. Step 2: Convert to fraction form
    72,000,446/158,356,358 = 158,356,358/x
  3. Step 3: Cross multiply
    72,000,446x = 158,356,358 × 158,356,358
  4. Step 4: Simplify right side
    72,000,446x = 25,076,736,119,024,164
  5. Step 5: Solve for x
    x = 25,076,736,119,024,164/72,000,446
  6. Step 6: Final answer
    x = 348,285,844.22

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These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.