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Finding the Third Proportional to 705,688 and 1,528,015

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Solution

The third proportional to 705,688 and 1,528,015 is: 3,308,586.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,688 : 1,528,015 = 1,528,015 : x
  2. Step 2: Convert to fraction form
    705,688/1,528,015 = 1,528,015/x
  3. Step 3: Cross multiply
    705,688x = 1,528,015 × 1,528,015
  4. Step 4: Simplify right side
    705,688x = 2,334,829,840,225
  5. Step 5: Solve for x
    x = 2,334,829,840,225/705,688
  6. Step 6: Final answer
    x = 3,308,586.57

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.