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Finding the Third Proportional to 248,513,217 and 388,994,449.50

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Solution

The third proportional to 248,513,217 and 388,994,449.50 is: 608,887,863.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,513,217 : 388,994,449.50 = 388,994,449.50 : x
  2. Step 2: Convert to fraction form
    248,513,217/388,994,449.50 = 388,994,449.50/x
  3. Step 3: Cross multiply
    248,513,217x = 388,994,449.50 × 388,994,449.50
  4. Step 4: Simplify right side
    248,513,217x = 151,316,681,741,808,064
  5. Step 5: Solve for x
    x = 151,316,681,741,808,064/248,513,217
  6. Step 6: Final answer
    x = 608,887,863.46

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.