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Finding the Third Proportional to 72,731,611.50 and 108,990,492

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Solution

The third proportional to 72,731,611.50 and 108,990,492 is: 163,325,507.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,731,611.50 : 108,990,492 = 108,990,492 : x
  2. Step 2: Convert to fraction form
    72,731,611.50/108,990,492 = 108,990,492/x
  3. Step 3: Cross multiply
    72,731,611.50x = 108,990,492 × 108,990,492
  4. Step 4: Simplify right side
    72,731,611.50x = 11,878,927,346,402,064
  5. Step 5: Solve for x
    x = 11,878,927,346,402,064/72,731,611.50
  6. Step 6: Final answer
    x = 163,325,507.32

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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.