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Finding the Third Proportional to 163,813,760 and 358,482,688

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Solution

The third proportional to 163,813,760 and 358,482,688 is: 784,487,442.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,813,760 : 358,482,688 = 358,482,688 : x
  2. Step 2: Convert to fraction form
    163,813,760/358,482,688 = 358,482,688/x
  3. Step 3: Cross multiply
    163,813,760x = 358,482,688 × 358,482,688
  4. Step 4: Simplify right side
    163,813,760x = 128,509,837,595,705,344
  5. Step 5: Solve for x
    x = 128,509,837,595,705,344/163,813,760
  6. Step 6: Final answer
    x = 784,487,442.30

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.