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Finding the Third Proportional to 163,735,290 and 358,235,352

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Solution

The third proportional to 163,735,290 and 358,235,352 is: 783,780,744.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,735,290 : 358,235,352 = 358,235,352 : x
  2. Step 2: Convert to fraction form
    163,735,290/358,235,352 = 358,235,352/x
  3. Step 3: Cross multiply
    163,735,290x = 358,235,352 × 358,235,352
  4. Step 4: Simplify right side
    163,735,290x = 128,332,567,422,563,904
  5. Step 5: Solve for x
    x = 128,332,567,422,563,904/163,735,290
  6. Step 6: Final answer
    x = 783,780,744.04

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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.