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Finding the Third Proportional to 7,121,342,210 and 10,468,688,960

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Solution

The third proportional to 7,121,342,210 and 10,468,688,960 is: 15,389,437,174.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,121,342,210 : 10,468,688,960 = 10,468,688,960 : x
  2. Step 2: Convert to fraction form
    7,121,342,210/10,468,688,960 = 10,468,688,960/x
  3. Step 3: Cross multiply
    7,121,342,210x = 10,468,688,960 × 10,468,688,960
  4. Step 4: Simplify right side
    7,121,342,210x = 109,593,448,541,225,877,504
  5. Step 5: Solve for x
    x = 109,593,448,541,225,877,504/7,121,342,210
  6. Step 6: Final answer
    x = 15,389,437,174.83

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.