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Finding the Third Proportional to 662,909,737.50 and 921,723,232.50

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Solution

The third proportional to 662,909,737.50 and 921,723,232.50 is: 1,281,582,799.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,909,737.50 : 921,723,232.50 = 921,723,232.50 : x
  2. Step 2: Convert to fraction form
    662,909,737.50/921,723,232.50 = 921,723,232.50/x
  3. Step 3: Cross multiply
    662,909,737.50x = 921,723,232.50 × 921,723,232.50
  4. Step 4: Simplify right side
    662,909,737.50x = 849,573,717,330,249,088
  5. Step 5: Solve for x
    x = 849,573,717,330,249,088/662,909,737.50
  6. Step 6: Final answer
    x = 1,281,582,799.69

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.