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Finding the Third Proportional to 1,482,072,816 and 3,155,829,216

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Solution

The third proportional to 1,482,072,816 and 3,155,829,216 is: 6,719,816,957.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,482,072,816 : 3,155,829,216 = 3,155,829,216 : x
  2. Step 2: Convert to fraction form
    1,482,072,816/3,155,829,216 = 3,155,829,216/x
  3. Step 3: Cross multiply
    1,482,072,816x = 3,155,829,216 × 3,155,829,216
  4. Step 4: Simplify right side
    1,482,072,816x = 9,959,258,040,559,173,632
  5. Step 5: Solve for x
    x = 9,959,258,040,559,173,632/1,482,072,816
  6. Step 6: Final answer
    x = 6,719,816,957.06

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.