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Finding the Third Proportional to 158,781,219 and 343,946,964

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Solution

The third proportional to 158,781,219 and 343,946,964 is: 745,047,271.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,781,219 : 343,946,964 = 343,946,964 : x
  2. Step 2: Convert to fraction form
    158,781,219/343,946,964 = 343,946,964/x
  3. Step 3: Cross multiply
    158,781,219x = 343,946,964 × 343,946,964
  4. Step 4: Simplify right side
    158,781,219x = 118,299,514,044,817,296
  5. Step 5: Solve for x
    x = 118,299,514,044,817,296/158,781,219
  6. Step 6: Final answer
    x = 745,047,271.90

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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.