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Finding the Third Proportional to 12,937,688,444 and 19,354,814,400

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Solution

The third proportional to 12,937,688,444 and 19,354,814,400 is: 28,954,850,944.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,937,688,444 : 19,354,814,400 = 19,354,814,400 : x
  2. Step 2: Convert to fraction form
    12,937,688,444/19,354,814,400 = 19,354,814,400/x
  3. Step 3: Cross multiply
    12,937,688,444x = 19,354,814,400 × 19,354,814,400
  4. Step 4: Simplify right side
    12,937,688,444x = 374,608,840,458,447,355,904
  5. Step 5: Solve for x
    x = 374,608,840,458,447,355,904/12,937,688,444
  6. Step 6: Final answer
    x = 28,954,850,944.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.