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Finding the Third Proportional to 7,312,836 and 15,570,456

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Solution

The third proportional to 7,312,836 and 15,570,456 is: 33,152,541.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,312,836 : 15,570,456 = 15,570,456 : x
  2. Step 2: Convert to fraction form
    7,312,836/15,570,456 = 15,570,456/x
  3. Step 3: Cross multiply
    7,312,836x = 15,570,456 × 15,570,456
  4. Step 4: Simplify right side
    7,312,836x = 242,439,100,047,936
  5. Step 5: Solve for x
    x = 242,439,100,047,936/7,312,836
  6. Step 6: Final answer
    x = 33,152,541.65

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.