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Finding the Third Proportional to 9,516,981,612 and 20,615,041,752

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Solution

The third proportional to 9,516,981,612 and 20,615,041,752 is: 44,654,908,852.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,516,981,612 : 20,615,041,752 = 20,615,041,752 : x
  2. Step 2: Convert to fraction form
    9,516,981,612/20,615,041,752 = 20,615,041,752/x
  3. Step 3: Cross multiply
    9,516,981,612x = 20,615,041,752 × 20,615,041,752
  4. Step 4: Simplify right side
    9,516,981,612x = 424,979,946,436,703,223,808
  5. Step 5: Solve for x
    x = 424,979,946,436,703,223,808/9,516,981,612
  6. Step 6: Final answer
    x = 44,654,908,852.70

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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.