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Finding the Third Proportional to 528,721,209 and 1,145,280,114

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Solution

The third proportional to 528,721,209 and 1,145,280,114 is: 2,480,828,302.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,721,209 : 1,145,280,114 = 1,145,280,114 : x
  2. Step 2: Convert to fraction form
    528,721,209/1,145,280,114 = 1,145,280,114/x
  3. Step 3: Cross multiply
    528,721,209x = 1,145,280,114 × 1,145,280,114
  4. Step 4: Simplify right side
    528,721,209x = 1,311,666,539,523,853,056
  5. Step 5: Solve for x
    x = 1,311,666,539,523,853,056/528,721,209
  6. Step 6: Final answer
    x = 2,480,828,302.70

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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.