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Finding the Third Proportional to 5,430,480 and 8,051,776

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Solution

The third proportional to 5,430,480 and 8,051,776 is: 11,938,373.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430,480 : 8,051,776 = 8,051,776 : x
  2. Step 2: Convert to fraction form
    5,430,480/8,051,776 = 8,051,776/x
  3. Step 3: Cross multiply
    5,430,480x = 8,051,776 × 8,051,776
  4. Step 4: Simplify right side
    5,430,480x = 64,831,096,754,176
  5. Step 5: Solve for x
    x = 64,831,096,754,176/5,430,480
  6. Step 6: Final answer
    x = 11,938,373.17

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.