Finding the Third Proportional to 219,919,356 and 322,689,612
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Solution
The third proportional to 219,919,356 and 322,689,612 is: 473,485,315.65
Step by Step Solution
- Step 1: Write the proportion equation
219,919,356 : 322,689,612 = 322,689,612 : x - Step 2: Convert to fraction form
219,919,356/322,689,612 = 322,689,612/x - Step 3: Cross multiply
219,919,356x = 322,689,612 × 322,689,612 - Step 4: Simplify right side
219,919,356x = 104,128,585,692,710,544 - Step 5: Solve for x
x = 104,128,585,692,710,544/219,919,356 - Step 6: Final answer
x = 473,485,315.65
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These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.