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Finding the Third Proportional to 293,361,480 and 621,698,368.50

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Solution

The third proportional to 293,361,480 and 621,698,368.50 is: 1,317,517,423.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,361,480 : 621,698,368.50 = 621,698,368.50 : x
  2. Step 2: Convert to fraction form
    293,361,480/621,698,368.50 = 621,698,368.50/x
  3. Step 3: Cross multiply
    293,361,480x = 621,698,368.50 × 621,698,368.50
  4. Step 4: Simplify right side
    293,361,480x = 386,508,861,395,561,792
  5. Step 5: Solve for x
    x = 386,508,861,395,561,792/293,361,480
  6. Step 6: Final answer
    x = 1,317,517,423.88

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.