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Finding the Third Proportional to 9,219,738,726 and 19,837,820,376

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Solution

The third proportional to 9,219,738,726 and 19,837,820,376 is: 42,684,411,019.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,219,738,726 : 19,837,820,376 = 19,837,820,376 : x
  2. Step 2: Convert to fraction form
    9,219,738,726/19,837,820,376 = 19,837,820,376/x
  3. Step 3: Cross multiply
    9,219,738,726x = 19,837,820,376 × 19,837,820,376
  4. Step 4: Simplify right side
    9,219,738,726x = 393,539,117,270,440,804,352
  5. Step 5: Solve for x
    x = 393,539,117,270,440,804,352/9,219,738,726
  6. Step 6: Final answer
    x = 42,684,411,019.22

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.