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Finding the Third Proportional to 7,163,020,320 and 15,414,431,808

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Solution

The third proportional to 7,163,020,320 and 15,414,431,808 is: 33,171,022,466.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,163,020,320 : 15,414,431,808 = 15,414,431,808 : x
  2. Step 2: Convert to fraction form
    7,163,020,320/15,414,431,808 = 15,414,431,808/x
  3. Step 3: Cross multiply
    7,163,020,320x = 15,414,431,808 × 15,414,431,808
  4. Step 4: Simplify right side
    7,163,020,320x = 237,604,707,963,482,144,768
  5. Step 5: Solve for x
    x = 237,604,707,963,482,144,768/7,163,020,320
  6. Step 6: Final answer
    x = 33,171,022,466.61

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.